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  Selective Alkane Oxidation by Manganese Oxide: Site Isolation of MnOx Chains at the Surface of MnWO4 Nanorods

Li, X., Lunkenbein, T., Pfeifer, V., Jastak, M., Nielsen, P. K., Girgsdies, F., et al. (2016). Selective Alkane Oxidation by Manganese Oxide: Site Isolation of MnOx Chains at the Surface of MnWO4 Nanorods. Angewandte Chemie International Edition, 55(12), 4092-4096. doi:10.1002/anie.201510201.

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 Creators:
Li, Xuan1, 2, Author              
Lunkenbein, Thomas1, Author              
Pfeifer, Verena1, Author              
Jastak, Mateusz1, Author              
Nielsen, Pia Kjaer1, Author              
Girgsdies, Frank1, Author              
Knop-Gericke, Axel1, Author              
Rosowski, Frank2, 3, Author
Schlögl, Robert1, Author              
Trunschke, Annette1, Author              
Affiliations:
1Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              
2BasCat – UniCat BASF Joint Lab, Technische Universität Berlin, Sekretariat EW K 01, Hardenbergstraße 36, 10623, Berlin, Germany, ou_persistent22              
3BASF SE, Process Research and Chemical Engineering, Heterogeneous Catalysis,, Carl-Bosch-Straße 38, 67056 Ludwigshafen, Germany, ou_persistent22              

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 Abstract: Electronic and structural properties of V-containing phases determine the isolation of active sites at the surface of catalysts for selective oxidation of alkanes. We show that this concept is not restricted to vanadium oxide. Deliberate use of hydrothermal techniques can turn the typical combustion catalyst Mn oxide into a selective catalyst for oxidative dehydrogenation of propane. Nano-structured, crystalline MnWO4 serves as support that stabilizes a defect-rich MnOx surface phase. Oxygen defects can be reversibly replenished and depleted at reaction temperature. Terminating MnOx zigzag chains on (010) crystal planes are suspected to bear structurally site-isolated oxygen defects that account for the unexpected good performance of the catalyst in propane activation.

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Language(s): eng - English
 Dates: 2016-012016-02-232016-03-14
 Publication Status: Published in print
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/anie.201510201
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Title: Angewandte Chemie International Edition
  Other : Angewandte Chemie, International Edition
  Abbreviation : Angew. Chem. Int. Ed.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: 5 Volume / Issue: 55 (12) Sequence Number: - Start / End Page: 4092 - 4096 Identifier: ISSN: 1433-7851
CoNE: https://pure.mpg.de/cone/journals/resource/1433-7851